Results 51 to 60 of about 7,591 (159)

Reproductive biology, maturation size and sex ratio of black tiger shrimp (Penaeus monodon Fabricius, 1798) from fishing grounds of Digha coast, West Bengal, India.

open access: yesInternational Journal of Aquatic Biology, 2015
The present paper studies the reproductive biology, maturation size and sex ratio of Penaeus monodon collected from Digha fishing grounds, India during 2011-2013.  A total of 633 individual of P.
Naser Uddin Sk   +2 more
doaj  

Annual Fecundity of European Anchovy: A Case Study in the North Aegean Sea (Eastern Mediterranean)

open access: yesFishes
Egg production estimates are key indicators of stock reproductive potential. In indeterminate spawners, annual fecundity cannot be estimated prior to the spawning season and, instead, requires quantification of batch fecundity and spawning frequency ...
Eudoxia Schismenou   +2 more
doaj   +1 more source

A Comparison of Methods for Classifying Female Sablefish Maturity and Skip Spawning Outside the Spawning Season [PDF]

open access: yesMarine and Coastal Fisheries, 2018
Abstract Ovarian development in Sablefish Anoplopoma fimbria was classified using three methods for samples collected during July and August in the Gulf of Alaska, approximately 6–8 months prior to spawning. Although not an ideal time for predicting future spawning, this is when survey platforms, such as longline and trawl vessels, are ...
openaire   +1 more source

Integrating fish size, condition, and population demography in the estimation of Atlantic sardine annual fecundity

open access: yesCiencias Marinas, 2010
Spatial and temporal variability in reproductive parameters was studied in combination with population demography to estimate sardine (Sardina pilchardus) population annual fecundity, as an indicator of its reproductive potential. Samples collected from
C Nunes, A Silva, V Marques, K Ganias
doaj   +1 more source

Spawning season and sex ratio of echinoids

open access: yes, 1968
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Reproductive potential of Pagrus pagrus (Perciformes: Sparidae) in coastal waters of Buenos Aires Province (Argentina) and Uruguay (34º-39ºS)

open access: yesNeotropical Ichthyology, 2017
The reproductive potential of red porgy in coastal waters of Buenos Aires Province (Argentina) and Uruguay (34º-39ºS) was studied by means of a macroscopic and histological analysis of the gonads.
María I. Militelli   +4 more
doaj   +1 more source

Reproductive biology of Rachycentron canadum in the Persian Gulf (Hormozgan Province waters)

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2008
We collected 478 specimens of Cobia, Rachycentron canadum, from Hormozgan province waters during October 2005 till September 2006, and studied reproductive parameters such as spawning season, sex ratio, maturity stages, fecundity and ova diameter.
T. Valinasab; Sh. Ashtari; N. Sedghi marof; B. Daghoghi
doaj  

Reproductive biology of leaftail croaker (Johnius trachycephalus Bleeker, 1851) in Muara Angke waters of Jakarta Bay, Jakarta [PDF]

open access: yesBIO Web of Conferences
The leaftail croaker (Johnius trachycephalus) is a demersal fish favored by the community and is commonly processed into salted fish. This fish no research has been conducted on the reproductive biology of the leaftail croaker in the Muara Angke Waters ...
Nard Zalfa Alfaizah, Sulistiono
doaj   +1 more source

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